I just discovered these comments that weren't sent to us.
http://lists.w3.org/Archives/Public/public-swbp-wg/2005Oct/0107.html
A couple quick notes
"8) There does not seem to be any way to force a literal into the
variable position in a binding."
I think isLiteral() will do what you want there.
"3) UNSAID would have been of great concern with regards to
scalability, just in case it comes back :)"
It never left. It's called UNBOUND with OPTIONAL, but it's
in there.
--
Dan Connolly, W3C http://www.w3.org/People/Connolly/
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